Legacy
late Middle English (also denoting the function or office of a deputy, especially a papal legate): from Old French legacie, from medieval Latin legatia ‘legateship’, from legatus ‘person delegated’ (see legate).
wiktionary
From Middle English legacie, from Old French legacie and Medieval Latin lēgātia, from Latin lēgātum.
etymonline
legacy (n.)
late 14c., legacie, "body of persons sent on a mission," from Medieval Latin legatia, from Latin legatus "ambassador, envoy, deputy," noun use of past participle of legare "send with a commission, appoint as deputy, appoint by a last will" (see legate).
Sense of "property left by will, a gift by will" appeared in Scottish mid-15c. Legacy-hunter is attested from 1690s. French legs "a legacy" is a bad spelling of Old French lais (see lease (n.)). French legacie is attested only from 16c.
